This is a detailed clean up of the Bike by Washing the Bike with Foam. An additional wax coat is applied to remove minor scratches from the Bike. Type/Plastic/Vinyl components are polished to remove dust and improve aesthetics by giving a glossy look. Car Size. Large, Medium, Small. Wash the bike frame: Use a bucket of warm soapy water and a brush to gently scrub off dirt and grime. Work from the top down, cleaning the handlebars, headset, top tube, seat post, seatstays, front fork and brakes. If you have disc brakes, try to keep soap away from the rotors and brake pads.